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   <div class="section" id="module-apache_beam.transforms.enrichment_handlers.bigtable">
 <span id="apache-beam-transforms-enrichment-handlers-bigtable-module"></span><h1>apache_beam.transforms.enrichment_handlers.bigtable module<a class="headerlink" href="#module-apache_beam.transforms.enrichment_handlers.bigtable" title="Permalink to this headline">¶</a></h1>
 <dl class="class">
 <dt id="apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler">
 <em class="property">class </em><code class="descclassname">apache_beam.transforms.enrichment_handlers.bigtable.</code><code class="descname">BigTableEnrichmentHandler</code><span class="sig-paren">(</span><em>project_id: str, instance_id: str, table_id: str, row_key: str = '', row_filter: Optional[google.cloud.bigtable.row_filters.RowFilter] = &lt;google.cloud.bigtable.row_filters.CellsColumnLimitFilter object&gt;, *, app_profile_id: str = None, encoding: str = 'utf-8', row_key_fn: Optional[Callable[[apache_beam.pvalue.Row], bytes]] = None, exception_level: apache_beam.transforms.enrichment_handlers.utils.ExceptionLevel = &lt;ExceptionLevel.WARN: 1&gt;, include_timestamp: bool = False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/transforms/enrichment_handlers/bigtable.html#BigTableEnrichmentHandler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler" title="Permalink to this definition">¶</a></dt>
 <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.enrichment.html#apache_beam.transforms.enrichment.EnrichmentSourceHandler" title="apache_beam.transforms.enrichment.EnrichmentSourceHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.enrichment.EnrichmentSourceHandler</span></code></a></p>
 <p>A handler for <a class="reference internal" href="apache_beam.transforms.enrichment.html#apache_beam.transforms.enrichment.Enrichment" title="apache_beam.transforms.enrichment.Enrichment"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.enrichment.Enrichment</span></code></a>
 transform to interact with GCP BigTable.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
 <li><strong>project_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – GCP project-id of the BigTable cluster.</li>
 <li><strong>instance_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – GCP instance-id of the BigTable cluster.</li>
 <li><strong>table_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – GCP table-id of the BigTable.</li>
 <li><strong>row_key</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – unique row-key field name from the input <cite>beam.Row</cite> object
 to use as <cite>row_key</cite> for BigTable querying.</li>
 <li><strong>row_filter</strong> – a <code class="docutils literal notranslate"><span class="pre">:class:`google.cloud.bigtable.row_filters.RowFilter`</span></code> to
 filter data read with <code class="docutils literal notranslate"><span class="pre">read_row()</span></code>.
 Defaults to <cite>CellsColumnLimitFilter(1)</cite>.</li>
 <li><strong>app_profile_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – App profile ID to use for BigTable.
 See <a class="reference external" href="https://cloud.google.com/bigtable/docs/app-profiles">https://cloud.google.com/bigtable/docs/app-profiles</a> for more details.</li>
 <li><strong>encoding</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – encoding type to convert the string to bytes and vice-versa
 from BigTable. Default is <cite>utf-8</cite>.</li>
 <li><strong>row_key_fn</strong> – a lambda function that returns a string row key from the
 input row. It is used to build/extract the row key for Bigtable.</li>
 <li><strong>exception_level</strong> – a <cite>enum.Enum</cite> value from
 <code class="docutils literal notranslate"><span class="pre">apache_beam.transforms.enrichment_handlers.utils.ExceptionLevel</span></code>
 to set the level when an empty row is returned from the BigTable query.
 Defaults to <code class="docutils literal notranslate"><span class="pre">ExceptionLevel.WARN</span></code>.</li>
 <li><strong>include_timestamp</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.12)"><em>bool</em></a>) – If enabled, the timestamp associated with the
 value is returned as <cite>(value, timestamp)</cite> for each <cite>row_key</cite>.
 Defaults to <cite>False</cite> - only the latest value without
 the timestamp is returned.</li>
 </ul>
 </td>
 </tr>
 </tbody>
 </table>
 <dl class="method">
 <dt id="apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler.get_cache_key">
 <code class="descname">get_cache_key</code><span class="sig-paren">(</span><em>request: apache_beam.pvalue.Row</em><span class="sig-paren">)</span> &#x2192; str<a class="reference internal" href="_modules/apache_beam/transforms/enrichment_handlers/bigtable.html#BigTableEnrichmentHandler.get_cache_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler.get_cache_key" title="Permalink to this definition">¶</a></dt>
 <dd><p>Returns a string formatted with row key since it is unique to
 a request made to <cite>Bigtable</cite>.</p>
 </dd></dl>

 </dd></dl>

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	<div class="section" id="module-apache_beam.transforms.enrichment_handlers.bigtable">
	<span id="apache-beam-transforms-enrichment-handlers-bigtable-module"></span><h1>apache_beam.transforms.enrichment_handlers.bigtable module<a class="headerlink" href="#module-apache_beam.transforms.enrichment_handlers.bigtable" title="Permalink to this headline">¶</a></h1>
	<dl class="class">
	<dt id="apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler">
	<em class="property">class </em><code class="descclassname">apache_beam.transforms.enrichment_handlers.bigtable.</code><code class="descname">BigTableEnrichmentHandler</code><span class="sig-paren">(</span><em>project_id: str, instance_id: str, table_id: str, row_key: str = '', row_filter: Optional[google.cloud.bigtable.row_filters.RowFilter] = <google.cloud.bigtable.row_filters.CellsColumnLimitFilter object>, *, app_profile_id: str = None, encoding: str = 'utf-8', row_key_fn: Optional[Callable[[apache_beam.pvalue.Row], bytes]] = None, exception_level: apache_beam.transforms.enrichment_handlers.utils.ExceptionLevel = <ExceptionLevel.WARN: 1>, include_timestamp: bool = False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/transforms/enrichment_handlers/bigtable.html#BigTableEnrichmentHandler"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler" title="Permalink to this definition">¶</a></dt>
	<dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.enrichment.html#apache_beam.transforms.enrichment.EnrichmentSourceHandler" title="apache_beam.transforms.enrichment.EnrichmentSourceHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.enrichment.EnrichmentSourceHandler</span></code></a></p>
	<p>A handler for <a class="reference internal" href="apache_beam.transforms.enrichment.html#apache_beam.transforms.enrichment.Enrichment" title="apache_beam.transforms.enrichment.Enrichment"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.enrichment.Enrichment</span></code></a>
	transform to interact with GCP BigTable.</p>
	<table class="docutils field-list" frame="void" rules="none">
	<col class="field-name" />
	<col class="field-body" />
	<tbody valign="top">
	<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
	<li><strong>project_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – GCP project-id of the BigTable cluster.</li>
	<li><strong>instance_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – GCP instance-id of the BigTable cluster.</li>
	<li><strong>table_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – GCP table-id of the BigTable.</li>
	<li><strong>row_key</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – unique row-key field name from the input <cite>beam.Row</cite> object
	to use as <cite>row_key</cite> for BigTable querying.</li>
	<li><strong>row_filter</strong> – a <code class="docutils literal notranslate"><span class="pre">:class:`google.cloud.bigtable.row_filters.RowFilter`</span></code> to
	filter data read with <code class="docutils literal notranslate"><span class="pre">read_row()</span></code>.
	Defaults to <cite>CellsColumnLimitFilter(1)</cite>.</li>
	<li><strong>app_profile_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – App profile ID to use for BigTable.
	See <a class="reference external" href="https://cloud.google.com/bigtable/docs/app-profiles">https://cloud.google.com/bigtable/docs/app-profiles</a> for more details.</li>
	<li><strong>encoding</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><em>str</em></a>) – encoding type to convert the string to bytes and vice-versa
	from BigTable. Default is <cite>utf-8</cite>.</li>
	<li><strong>row_key_fn</strong> – a lambda function that returns a string row key from the
	input row. It is used to build/extract the row key for Bigtable.</li>
	<li><strong>exception_level</strong> – a <cite>enum.Enum</cite> value from
	<code class="docutils literal notranslate"><span class="pre">apache_beam.transforms.enrichment_handlers.utils.ExceptionLevel</span></code>
	to set the level when an empty row is returned from the BigTable query.
	Defaults to <code class="docutils literal notranslate"><span class="pre">ExceptionLevel.WARN</span></code>.</li>
	<li><strong>include_timestamp</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.12)"><em>bool</em></a>) – If enabled, the timestamp associated with the
	value is returned as <cite>(value, timestamp)</cite> for each <cite>row_key</cite>.
	Defaults to <cite>False</cite> - only the latest value without
	the timestamp is returned.</li>
	</ul>
	</td>
	</tr>
	</tbody>
	</table>
	<dl class="method">
	<dt id="apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler.get_cache_key">
	<code class="descname">get_cache_key</code><span class="sig-paren">(</span><em>request: apache_beam.pvalue.Row</em><span class="sig-paren">)</span> → str<a class="reference internal" href="_modules/apache_beam/transforms/enrichment_handlers/bigtable.html#BigTableEnrichmentHandler.get_cache_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.transforms.enrichment_handlers.bigtable.BigTableEnrichmentHandler.get_cache_key" title="Permalink to this definition">¶</a></dt>
	<dd><p>Returns a string formatted with row key since it is unique to
	a request made to <cite>Bigtable</cite>.</p>
	</dd></dl>

	</dd></dl>

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